from tkinter import *
root = Tk()
root.title('ИТ марафон')
root.geometry('500x500')

canvas = Canvas(bg='white', width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 20, 10, 20, 10, 30, 0, 30]
x = int(input())
y = int(input())
n = int(input())

if n == 0 and x >= 0 and x<=500 and y >= 0 and y <= 500:
    pass
else:
    if n > 0 and 0 * n + x >= 0 and 0 * n + y >= 0 and 20 * n + x<=500 and 20 * n + y <= 500:
        pass
    else:
        if n < 0 and 20 * n + x >= 0 and 20 * n + y >= 0 and 0 * n + x<=500 and 0 * n + y <= 500:
            pass
        else:
            print('Размер фигуры превышает максимальный размер поля')
            exit()
    
canvas.create_polygon(coords[0] * n + x, coords[1] * n + y,
coords[2] * n + x, coords[3] * n + y,
coords[4] * n + x, coords[5] * n + y,
coords[6] * n + x, coords[7] * n + y,
coords[8] * n + x, coords[9] * n + y,
coords[10] * n + x, coords[11] * n + y,
coords[12] * n + x, coords[13] * n + y,
coords[14] * n + x, coords[15] * n + y, fill='blue')

root.mainloop()